as Pedro
as Chilion
as 2nd Communications Man
as Joshua Lambert
as 1st Lt. Corona
as Jake (uncredited)
as Commentator
as Gunman (uncredited)
as Dr. Armand Zola / Worker (voice) (archive footage)
as Hunter
as Professor Zeiner
as Mallory
as Mark Adams
as Larry Devon
as Wilson
as Bernard Kincaide
as Newscaster
as Crewman (uncredited)
as Dirk Shuster
as Dr. Johnny Windhurst
as Floyd Gaines
as Andy Rivers
as Jack Thomas
as Dr. Zola / Worker (voice)
as P.A. Announcer (voice)
as Gentz
as Absalom
as Policeman
as Dr. Seneca Beaulac
